CN116414103A - Novel vehicle fault diagnosis instrument with system architecture design - Google Patents
Novel vehicle fault diagnosis instrument with system architecture designDownload PDFInfo
- Publication number
- CN116414103A CN116414103ACN202310210376.4ACN202310210376ACN116414103ACN 116414103 ACN116414103 ACN 116414103ACN 202310210376 ACN202310210376 ACN 202310210376ACN 116414103 ACN116414103 ACN 116414103A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- fault
- module
- electronic control
- control components
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
Translated fromChinese
Description
Translated fromChinese技术领域technical field
本发明涉及车辆诊断技术领域，具体涉及一种新型体系架构设计的车辆故障诊断仪。The invention relates to the technical field of vehicle diagnosis, in particular to a vehicle fault diagnosis instrument with a novel architecture design.
背景技术Background technique
目前，车辆正朝着安全、环保、节能、可靠、信息化的方向发展，故障诊断日渐成为车辆维修的一种必需技术。现有车辆的电控系统故障诊断各自分离，像发动机诊断、AT/AMT变速器诊断、ABS系统诊断等，它们分别由不同的供应商提供，品种多、传输协议不一致、连接接口不统一。因此，急需研究一种新的新型体系架构设计的车辆故障诊断仪来解决上述问题。At present, vehicles are developing in the direction of safety, environmental protection, energy saving, reliability, and informatization. Fault diagnosis has gradually become a necessary technology for vehicle maintenance. The fault diagnosis of the electronic control system of existing vehicles is separated, such as engine diagnosis, AT/AMT transmission diagnosis, ABS system diagnosis, etc., which are provided by different suppliers, with many varieties, inconsistent transmission protocols, and inconsistent connection interfaces. Therefore, there is an urgent need to study a new vehicle fault diagnostic instrument designed with a new architecture to solve the above problems.
发明内容Contents of the invention
本发明提供一种新型体系架构设计的车辆故障诊断仪，用以解决上述问题。The present invention provides a vehicle fault diagnosis instrument with a novel architecture design to solve the above problems.
为了实现上述目的，本发明公开了一种新型体系架构设计的车辆故障诊断仪，与车辆连接，包括：识别模块，所述识别模块与待测车辆无线连接或通过接口转换器连接，用于识别待测车辆的控制器型号，并定位可能存在故障的电控元件；In order to achieve the above purpose, the present invention discloses a vehicle fault diagnosis instrument with a new architecture design, which is connected to the vehicle and includes: an identification module, which is connected to the vehicle to be tested wirelessly or through an interface converter for identifying The controller model of the vehicle to be tested, and locate the electronic control components that may be faulty;
测试模块，用于对电控元件写入检测指令，使其输出相应的检测信号，对车内的电控元件进行检测，并且返回检测结果；The test module is used to write detection instructions to the electronic control components, so that they can output corresponding detection signals, detect the electronic control components in the car, and return the detection results;
解析模块，用于获取待测车辆的电控元件的故障信息；An analysis module is used to obtain fault information of electronic control components of the vehicle to be tested;
诊断模块，用于基于所述故障信息确定损坏部件、故障部件，并判断是否需要对车辆的部件进行更换；A diagnostic module, configured to determine damaged parts and faulty parts based on the fault information, and determine whether the parts of the vehicle need to be replaced;
标定模块，用于对存在故障的电控元件的工作参数进行设定。The calibration module is used to set the working parameters of the faulty electronic control components.
可选的，所述解析模块包括：Optionally, the parsing module includes:
故障读取模块，用于读取电控元件当前的故障码，并将所述故障码与故障码对照表进行比对，解析出车辆故障信息；The fault reading module is used to read the current fault code of the electronic control component, compare the fault code with the fault code comparison table, and analyze the fault information of the vehicle;
故障清除模块，用于清除车辆故障信息，所述故障信息包括历史故障信息和当前故障信息。The fault clearing module is used to clear vehicle fault information, and the fault information includes historical fault information and current fault information.
可选的，本系统还包括升级模块，所述升级模块通过通讯模块与PC机连接，用于对新型体系架构设计的车辆故障诊断仪进行升级、修复。Optionally, the system also includes an upgrade module, which is connected to a PC through a communication module, and is used for upgrading and repairing the vehicle fault diagnostic instrument with a new architecture design.
可选的，还包括登录模块，用于登录不同权限的账号和密码。Optionally, a login module is also included, which is used to log in with accounts and passwords with different permissions.
可选的，所述诊断仪上设置有OBDⅡ型诊断连接器，K线诊断连接器。Optionally, the diagnostic instrument is provided with an OBD II type diagnostic connector and a K-line diagnostic connector.
本发明提供了一种新型体系架构设计的车辆故障诊断仪具有以下有益效果：本诊断仪与车辆连接，不仅对车辆进行诊断检测，还可以使用标定模块对存在故障的电控元件的工作参数进行设定，可以提升对车辆内的电控元件标定能力，提高了解决故障的效率。The invention provides a vehicle fault diagnostic instrument with a new system architecture design, which has the following beneficial effects: the diagnostic instrument is connected with the vehicle, not only to diagnose and detect the vehicle, but also to use the calibration module to check the working parameters of the faulty electronic control components. Setting can improve the ability to calibrate the electronic control components in the vehicle and improve the efficiency of troubleshooting.
附图说明Description of drawings
为了更清楚地说明本发明或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the present invention or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are the For some embodiments of the present invention, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.
图1是本发明实施例提供的新型体系架构设计的车辆故障诊断仪结构示意图。FIG. 1 is a schematic structural diagram of a vehicle fault diagnosis instrument with a new architecture design provided by an embodiment of the present invention.
具体实施方式Detailed ways
为使本发明的目的、技术方案和优点更加清楚，下面将结合本发明中的附图，对本发明中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
下面结合图1描述本发明的一种新型体系架构设计的车辆故障诊断仪。A vehicle fault diagnosis instrument with a novel architecture design of the present invention is described below in conjunction with FIG. 1 .
本实施例提供一种新型体系架构设计的车辆故障诊断仪，包括：识别模块，所述识别模块与待测车辆无线连接或通过接口转换器连接，用于识别待测车辆的控制器型号，并定位可能存在故障的电控元件，例如：可以采用蓝牙、WiFi连接方式或采用标准接口的转换器连接；测试模块，用于对车内的电控元件写入检测指令，使其输出相应的检测信号，对车内的电控元件进行检测，并且返回检测结果，例如诊断指令通过CAN网络进行传输；解析模块，用于获取待测车辆的电控元件的故障信息；诊断模块，用于基于所述故障信息确定损坏部件、故障部件，并判断是否需要对车辆的部件进行更换；标定模块，用于对存在故障的电控元件的工作参数进行设定。This embodiment provides a vehicle fault diagnosis instrument with a new architecture design, including: an identification module, which is wirelessly connected to the vehicle to be tested or connected through an interface converter, and is used to identify the controller model of the vehicle to be tested, and Locate the electronic control components that may be faulty, for example: Bluetooth, WiFi connection, or a converter connection with a standard interface; the test module is used to write detection instructions to the electronic control components in the car, so that it can output corresponding detection signal, to detect the electronic control components in the vehicle and return the detection results, for example, the diagnostic command is transmitted through the CAN network; the analysis module is used to obtain the fault information of the electronic control components of the vehicle to be tested; the diagnostic module is used to The fault information is used to determine the damaged parts and faulty parts, and judge whether the parts of the vehicle need to be replaced; the calibration module is used to set the working parameters of the faulty electronic control components.
本诊断仪与车辆连接，不仅对车辆进行诊断检测，还可以使用标定模块对存在故障的电控元件的工作参数进行设定，可以提升对车辆内的电控元件标定能力，提高了解决故障的效率。The diagnostic instrument is connected with the vehicle. It not only diagnoses and detects the vehicle, but also uses the calibration module to set the working parameters of the faulty electronic control components, which can improve the calibration ability of the electronic control components in the vehicle and improve the efficiency of troubleshooting. efficiency.
具体地，首先对车辆进行识别，获取待测车辆的控制器型号，然后输出检测信号指令对待测车辆内的元件进行检测，基于控制器的运行状态，寻找可能存在故障的电控元件。对可能存在故障的电控元件进行定位，进一步检测其运行状态当电控元件出现故障，可以读取电控元件当前的参数，并基于标准参数对电控元件的当前参数进行调整。Specifically, first identify the vehicle, obtain the model of the controller of the vehicle to be tested, and then output a detection signal to instruct the components in the vehicle to be tested to detect electronic control components that may be faulty based on the operating status of the controller. Locate the electronic control components that may be faulty, and further detect their operating status. When the electronic control components fail, the current parameters of the electronic control components can be read, and the current parameters of the electronic control components can be adjusted based on standard parameters.
进一步的，本系统还包括存储器，用于存储更换电控元件的指导数。在确定损坏部件后，输入电控元件号(或名称)，调出更换电控元件的指导数据。按电控元件更换指导数据以文字，数据，图片的方式逐步提示部件更换操作细节。Further, the system also includes a memory for storing the guide number for replacing the electric control components. After determining the damaged parts, input the number (or name) of the electric control element to call out the guidance data for replacing the electric control element. According to the guidance data of electronic control component replacement, the operation details of component replacement are gradually prompted in the form of text, data and pictures.
另外，在使用过程中，要确保本系统的可靠性，因此对本系统硬件、外壳等进行防水、防震、防尘、防跌落等方面设计；软件按照软件工程要求进行了严格的可靠性测试。In addition, in the process of use, the reliability of the system must be ensured, so the hardware and shell of the system are designed in terms of waterproof, shockproof, dustproof, and drop prevention; the software has undergone strict reliability tests in accordance with software engineering requirements.
进一步优化方案，所述解析模块包括：Further optimization scheme, described parsing module comprises:
故障读取模块，用于读取电控元件中所存储的故障码，并将所述故障码与故障码对照表进行比对，解析出车辆故障信息；The fault reading module is used to read the fault codes stored in the electronic control components, compare the fault codes with the fault code comparison table, and analyze the fault information of the vehicle;
故障清除模块，用于清除故障信息，所述故障信息包括历史故障信息和当前故障信息。The fault clearing module is used to clear fault information, and the fault information includes historical fault information and current fault information.
其中，提前设置好对应的故障码，并将其存储在所述存储器中，形成故障码对照表。例如，可以选用可支持访问大容量FLASH存储器，还可以设置支持外部扩展存储卡。具体地，在设计时，会根据车辆内的电控元件罗列出所有可能的故障，并为每个故障分配一个特定的代码，这个代码就是故障码，例如定义供电电压过低的故障码为U2E0468，如诊断仪读取到U2E0468，2E代表历史故障确认码，2F代表故障当前检测到，便知道发生了供电电压过低的故障，这个故障会在供电电压持续低于8.6V 3秒后产生，而当供电电压持续大于9V5秒后消失。每个故障配置有一个错误计数器，如当前周期检查到故障发生，该错误计数器值加1，当当前周期检查到该故障未发生，错误计数器减1。每个故障还配置个老化计数器，该计数器的数据值存放在非易失性的存储器中，该老化计数器的作用是：当确认故障发生时，激活该计数器，每个点火周期该计数器加1，当计数器达到设定值时，清除诊断状态掩码的CDTC位。例如：当前认为模拟故障A确认发生一次，老化计数器设置为40；然后连续点火45次并读取故障A(该过程中没有其他故障产生)。效果是前40次点火能读取到历史故障码，后5次读取不到该故障。认为超过40次后，该故障消失了。Wherein, the corresponding fault codes are set in advance and stored in the memory to form a fault code comparison table. For example, you can choose to support access to large-capacity FLASH memory, and you can also set up to support external expansion memory cards. Specifically, at the time of design, all possible faults will be listed according to the electronic control components in the vehicle, and a specific code will be assigned to each fault. This code is a fault code. U2E0468, if the diagnostic instrument reads U2E0468, 2E represents the historical fault confirmation code, and 2F represents the fault is currently detected, then it is known that the fault of low power supply voltage has occurred, and this fault will occur after the power supply voltage continues to be lower than 8.6V for 3 seconds , and disappear after 5 seconds when the power supply voltage is greater than 9V. Each fault configuration has an error counter. If a fault is detected in the current cycle, the value of the error counter is increased by 1. When the fault is detected in the current cycle, the error counter is decremented by 1. Each fault is also equipped with an aging counter, and the data value of the counter is stored in a non-volatile memory. The function of the aging counter is: when the fault is confirmed, the counter is activated, and the counter is incremented by 1 in each ignition cycle. When the counter reaches the set value, the CDTC bit of the diagnostic status mask is cleared. For example: currently it is considered that the simulated fault A is confirmed to occur once, and the aging counter is set to 40; then the ignition is continued for 45 times and fault A is read (no other faults occur during this process). The effect is that the historical fault code can be read in the first 40 ignitions, but the fault cannot be read in the last 5 ignitions. After thinking more than 40 times, the fault disappeared.
进一步优化方案，还包括升级模块，所述升级模块通过通讯模块与PC机连接，用于对新型体系架构设计的车辆故障诊断仪进行升级、修复。例如，在车辆的显示屏上可以显示当前新型体系架构设计的车辆故障诊断仪的版本，并且，当检测到当前系统的版本与PC机中存储的系统版本不一致时，可以设置自动升级或手动升级的方式，对当前控制系统的版本进行升级。同理，当PC机检测到当前版本的系统存在漏洞时，可以对其进行修复。The further optimization scheme also includes an upgrade module, which is connected to a PC through a communication module, and is used for upgrading and repairing the vehicle fault diagnostic instrument with a new architecture design. For example, the version of the vehicle fault diagnosis instrument designed for the current new architecture can be displayed on the display screen of the vehicle, and when it is detected that the current system version is inconsistent with the system version stored in the PC, automatic upgrade or manual upgrade can be set The way to upgrade the version of the current control system. Similarly, when the PC detects that there is a loophole in the current version of the system, it can be repaired.
进一步优化方案，本系统还包括登录模块，用于登录不同权限的账号和密码，用于提高诊断系统使用的安全性，防止车型配置和车辆信息的泄露。To further optimize the scheme, the system also includes a login module, which is used to log in account numbers and passwords with different permissions, which is used to improve the safety of the diagnostic system and prevent the leakage of vehicle configuration and vehicle information.
进一步优化方案，还可以建立售后故障问题数据库，对零部件进行性能分析，提高对零部件质量的管控能力。具体地，基于记录的维修历史数据，通过残差算法分析，找出异常零部件。进一步对零部件的性能状态做阈值划分，得到零部件的服役性能分类，此部分为零部件性能分析。最后为了提高对零部件质量的管控能力，利用前面的零部件性能分析结果，结合产品可靠性知识，计算不能进行零部件分类条件下的产品服役时间，以及调整相应的视情维修计划时间，从而达到对零部件质量的管控能力。To further optimize the plan, a database of after-sales failure problems can also be established to analyze the performance of parts and components, and improve the ability to control the quality of parts. Specifically, based on the recorded maintenance history data, the abnormal parts are found through residual algorithm analysis. Further divide the performance state of the parts by threshold value to obtain the service performance classification of the parts. This part is the performance analysis of the parts. Finally, in order to improve the ability to control the quality of parts, use the previous parts performance analysis results, combined with product reliability knowledge, calculate the product service time under the condition that parts cannot be classified, and adjust the corresponding condition-based maintenance plan time, so that To achieve the ability to control the quality of parts.
进一步优化方案，所述诊断仪上设置有OBDⅡ型诊断连接器，K线诊断连接器，做到了可以同时可配置多种诊断连接器，能够同时支持K线和CAN线通讯。To further optimize the solution, the diagnostic instrument is equipped with OBD II type diagnostic connectors and K-line diagnostic connectors, so that multiple diagnostic connectors can be configured at the same time, and can support K-line and CAN line communications at the same time.
在本发明实施例的描述中，需要说明的是，除非另有明确的规定和限定，术语“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明实施例中的具体含义。In the description of the embodiments of the present invention, it should be noted that unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, Or integrated connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the present invention in specific situations.
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310210376.4ACN116414103A (en) | 2023-03-06 | 2023-03-06 | Novel vehicle fault diagnosis instrument with system architecture design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310210376.4ACN116414103A (en) | 2023-03-06 | 2023-03-06 | Novel vehicle fault diagnosis instrument with system architecture design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116414103Atrue CN116414103A (en) | 2023-07-11 |
Family
ID=87050635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310210376.4AWithdrawnCN116414103A (en) | 2023-03-06 | 2023-03-06 | Novel vehicle fault diagnosis instrument with system architecture design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116414103A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116991140A (en)* | 2023-07-18 | 2023-11-03 | 重庆金美汽车电子有限公司 | Intelligent circuit diagnosis device and method based on electrochromic device |
- 2023
- 2023-03-06CNCN202310210376.4Apatent/CN116414103A/ennot_activeWithdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116991140A (en)* | 2023-07-18 | 2023-11-03 | 重庆金美汽车电子有限公司 | Intelligent circuit diagnosis device and method based on electrochromic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111312325B (en) | A kind of BBU fault diagnosis method, device, electronic equipment and storage medium | |
| CN107678936B (en) | Business system pre-inspection method, server and computer readable storage medium | |
| US12087099B2 (en) | Method for establishing communicable connection with tire pressure monitoring system, apparatus thereof and electronic device | |
| CN103568863A (en) | Real-time monitoring diagnostic system and diagnostic method for electromobile battery management system | |
| CN113376500B (en) | Complete set aging test system and method for circuit board of automobile motor controller | |
| CN113672498B (en) | Automatic diagnosis test method, device and equipment | |
| WO2023185061A1 (en) | Function security system detection method and system, electronic device, and storage medium | |
| JPH09230929A (en) | In-vehicle controller failure diagnosis method and apparatus | |
| CN109032887A (en) | A kind of faulty hard disk method for rapidly positioning and system | |
| CN111736030A (en) | General fault management method for automobile | |
| CN113009903B (en) | Fault diagnosis method and device, vehicle and storage medium | |
| CN113847939A (en) | Offline fault diagnosis system and method applied to vehicle instrument | |
| CN112306038B (en) | Detection method, detection device and diagnosis equipment | |
| CN103595999B (en) | The automatic testing method of intelligent television and automatic detection device | |
| CN116414103A (en) | Novel vehicle fault diagnosis instrument with system architecture design | |
| CN118838304A (en) | Diagnostic test method, device, equipment and storage medium of vehicle-mounted electronic control unit | |
| CN116779012A (en) | A chip functional safety ASIL level assessment method | |
| CN114355791A (en) | Simulation test method, system and computer readable storage medium for intelligent driving redundancy function | |
| CN114578786A (en) | Vehicle test system | |
| CN113852502A (en) | A fault diagnosis method, device, device and readable medium for an intelligent network card | |
| US9781527B2 (en) | Smart plug and play automatic OBD-II system tester | |
| CN113434420B (en) | Equipment testing method and device | |
| CN116610096A (en) | Fault injection testing method and system | |
| CN112373419B (en) | Automatic test system and method for vehicle-mounted multimedia offline configuration function | |
| CN104598343B (en) | Recover the method for last time test after upper electricity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | Application publication date:20230711 | |
| WW01 | Invention patent application withdrawn after publication |